438073
Nitric acid
ACS reagent, 70%
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About This Item
Empirical Formula (Hill Notation):
HNO3
CAS Number:
Molecular Weight:
63.01
PubChem Substance ID:
eCl@ss:
38060304
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
231-714-2
MDL number:
Assay:
68.0-70.0% (ACS specification), 70%
Form:
liquid
Grade:
ACS reagent
grade
ACS reagent
Quality Level
vapor pressure
8 mmHg ( 20 °C)
assay
68.0-70.0% (ACS specification), 70%
form
liquid
ign. residue
≤5 ppm
color
APHA: ≤10
pH
<1.0
bp
120.5 °C (lit.)
density
1.413 g/mL at 20 °C (lit.)
anion traces
chloride (Cl-): ≤0.5 ppm, sulfate (SO42-): ≤1 ppm
cation traces
As: ≤0.01 ppm, Fe: ≤0.2 ppm, heavy metals (as Pb): ≤0.2 ppm
SMILES string
O[N+]([O-])=O
InChI
1S/HNO3/c2-1(3)4/h(H,2,3,4)
InChI key
GRYLNZFGIOXLOG-UHFFFAOYSA-N
General description
Nitric acid (HNO3) is a highly corrosive mineral acid. It is usually utilized for abstracting transition metal catalyst from single-walled carbon nanotubes (SWNTs) in order to purify them. The effect of nitric acid on the oxidation of multiwalled carbon nanotubes (MWCNTs) has been investigated by sample weight, Raman spectrum, solubility, morphology and alignment examinations.
Application
Nitric acid was used to increase the number of acid sites by altering the surface of activated carbon.
It may be used:
It may be used:
- In combination with acetic anhydride and zeolite catalysts for the preparation of p-nitrotoluene with high regioselectivity.
- In the pretreatment of rice straw for enhanced production of xylose.
- To minimize the extent of cation ordering in LiNi0.5Mn1.5O4, a transition metal-substituted spinel material, by surface treatment.
Other Notes
SKU-Pack sizes with -P are packaged in poly bottles
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A
supp_hazards
Storage Class
5.1B - Oxidizing hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
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THE TREATMENT OF ACID AND ALKALI BURNS: AN EXPERIMENTAL STUDY.
E C Davidson
Annals of surgery, 85(4), 481-489 (1927-04-01)
Ilgook Kim et al.
Carbohydrate polymers, 99, 563-567 (2013-11-28)
In this study, nitric acid (HNO₃) was evaluated as an acid catalyst for rice straw pretreatment, and, after neutralization, as a sole nitrogen source for subsequent fermentation. Response surface methodology was used to obtain optimal pretreatment condition with respect to
Zeolite-Assisted Regioselective Nitration of Toluene in Acetonitrile with Nitric Acid/Acetic Anhydride.
Shi C and Tai Y.
Asian Journal of Chemistry, 27(7), 2420-2422 (2015)